WALLFLOWERS is the codename given to one of the Security Service’s most treasured possessions, the daily journal dictated from August 1939 to June 1945 by MI5

The wartime career of British double-cross agent TATE, who makes agent ZIGZAG look like a bit of a wuss

Published for the very first time, the top secret report Some Weaknesses in German Strategy and Organisation 1933 - 1945 was prepared by Whitehall's highest int

In 1917, the British issued the Balfour Declaration for military and strategic reasons. This book analyses why and how the British took on the Palestine Mandate

When Richard Hayes, a gifted polymath and cryptographer, was drafted by Irish intelligence services to track the movements of a prolific Nazi spy, Hermann Gört